There used to be a great small bookstore in Somesville, Maine. They had signed copies of books by local authors, some of whom became famous in their genre of writing. They even had a cat!
The contrasting color keys on a keyboard instrument are a lot older than the piano. They have not always been black and white. Sometimes they were different shades of brown and black wood. Somehow, they get along quite nicely together. People have come a long way toward harmony in the last 50 years. Unfortunately, there are still a few people of all races who refuse to accept that the visible differences do not reflect the essential sameness.
There is a brand of seed cake laced with hot pepper to keep the squirrels from eating it. The picture on the package is a cartoon of a very distressed squirrel with smoke and fire coming out of its ears.
What Archimedes discovered was the gravimetric buoyancy technique. By measuring the mass of the kings gold crown suspended in water and comparing that to the mass of a sample of pure gold equal to the dry mass of the crown suspended in water, Archimedes could determine if the crown was less dense than pure gold and hence adulterated with a lighter metal.
In the rest of the world outside the USA: 9.80665 m/s²